<template>
  <div class="comment-post">
    <van-field
      class="post-field"
      v-model.trim="message"
      rows="2"
      autosize
      type="textarea"
      maxlength="50"
      placeholder="请输入留言"
      show-word-limit
    />
    <van-button class="post-btn" @click="onPost" :disabled="!message.length">发布</van-button>
  </div>
</template>

<script>
import {addComment} from '@/api/comment.js'

export default {
  name: 'CommentPost',
  components: {},
  props: {
    target:{
      type:[Number,String,Object],
      required:true
    }
  },
  data () {
    return {
      message: ''
    }
  },
  computed: {},
  watch: {},
  created () {},
  mounted () {},
  methods: {
    async onPost(){
        this.$toast.loading({
        message: '发布中...',
        forbidClick: true, //禁用背景点击
        duration: 0, //持续时间 默认两秒   若为0 则持续展示  成功或失败提示后再停了
      })
      try {
        const{data}=await addComment({
          target:this.target,//		评论的目标id（评论文章即为文章id，对评论进行回复则为评论id）
          content:this.message,//评论内容
          art_id: null//对评论内容发表回复时，需要传递此参数，表明所属文章id。对文章进行评论，不要传此参数。
        })
                  // console.log(data)
        //发布成功后，需关闭弹出层，将发布内容显示到顶部，清空文本框
        this.message=''
        this.$emit('post-success',data.data)
         this.$toast.success('发布成功')
      } catch (error) {
        this.$toast('发布失败')
      }
    }
  }
}
</script>

<style scoped lang="less">
.comment-post {
  display: flex;
  align-items: center;
  padding: 32px 0 32px 32px;
  .post-field {
    background-color: #f5f7f9;
  }
  .post-btn {
    width: 150px;
    border: none;
    padding: 0;
    color: #6ba3d8;
    &::before {
      display: none;
    }
  }
}
</style>
